<template>
	<view class="detail">
		<view class="fixbg" :style="{ 'background-image': 'url('+songDetail.al.picUrl+')' }">
		</view>
		<musichead :title="songDetail.name" :icon="true" color="white"></musichead>
		<view class="container" v-show="!isLoading">
			<scroll-view scroll-y="true">
				<view class="detail-play" @tap="handleToPlay">
					<image :src="songDetail.al.picUrl" :class="{'detail-play-run' : isPlayRotate}" mode=""></image>
					<text class="iconfont" :class="iconPlay" ></text>
					<view>

					</view>
				</view>
				<view class="detail-lyric">
					<view class="detail-lyric-wrap" :style="{ transform :'translateY('+ - (lyricIndex - 1) * 82 + 'rpx) '}">
						<view class="detail-lyric-item" :class="{ active : lyricIndex == index}" v-for="(item, index) in songLyric" :key="index">{{ item.lyric}}</view>
						
					</view>
				</view>
				<view class="detail-like">
					<view class="detail-like-head">
						喜欢这首歌的人也听
					</view>
					<view class="detail-like-item" v-for="(item,index) in songSimi" :key="index" @tap="handleToSimi(item.id)">
						<view class="detail-like-img">
							<image :src="item.album.picUrl" mode=""></image>
						</view>
						<view class="detail-like-song">
							<view>{{ item.name}}</view>
							<view>
								<image v-if="item.privilege.flag > 60 && item.privilege.flag < 70" src="../../static/dujia.png" mode=""></image>
								<image v-if="item.privilege.maxbr == 999000 " src="../../static/sq.png" mode=""></image>
								{{ item.artists[0].name}} - {{ item.name}}
							</view>

						</view>
						<text class="iconfont icon-bofang"></text>
					</view>
				</view>
				<view class="detail-comment">
					<view class="detail-comment-head">精彩评论</view>
					<view class="detail-comment-item" v-for="(item, index) in songComment" :key="index">
						<view class="detail-comment-img">
							<image :src="item.user.avatarUrl" mode=""></image>
						</view>
						<view class="detail-comment-content">
							<view class="detail-comment-title">
								<view class="detail-comment-name">
									<view>{{ item.user.nickname}}</view>
									<view>{{ item.time | formatTime}}</view>
								</view>
								<view class="detail-comment-like">{{ item.likedCount | formatCount}} <text class="iconfont iconlike"></text></view>
							</view>
							<view class="detail-comment-text">{{ item.content}}</view>
						</view>
					</view>

				</view>

			</scroll-view>
		</view>
	</view>
</template>

<script>
	import musichead from '../../components/musichead/musichead.vue'
	import '@/common/iconfont.css'
	import { songComment, songDetail, songLyric, songSimi, songUrl} from '../../common/api.js'
	import {
		list
	} from '../../common/api.js'
	export default {
		data() {
			return {
				songDetail: {
					al: {
						picUrl: ''
					}
				},
				songSimi: [],
				songComment: [],
				songLyric: [],
				lyricIndex: 0,
				iconPlay: 'icon-zanting',
				isPlayRotate: true,
				isLoading: true
				
			}
		},
		components: {
			musichead
		},
		onLoad(options) {
			console.log(options.songId);
			this.getMUsic(options.songId);
		},
		onUnload() {
			this.cancelLyricIndex();
			// #ifdef H5
				this.bgAudioManager.destroy()
			// #endif
		
		},
		onHide() {
			this.cancelLyricIndex();
			// #ifdef H5
				this.bgAudioManager.destroy()
			// #endif
		},
		methods: {
			getMUsic(songId){
				this.$store.commit('NEXT_ID',songId);
				this.isLoading = true;
				uni.showLoading({
					title: '加载中...'
				});
				
				Promise.all([ songDetail(songId), songSimi(songId),songComment(songId),songLyric(songId),songUrl(songId)]).then( (res)=>{
					console.log( res);
					if( res[0][1].data.code == '200'){
						this.songDetail = res[0][1].data.songs[0];
					}
					if( res[1][1].data.code == '200' ){
						this.songSimi = res[1][1].data.songs;
						console.log(songSimi)
					}
					if( res[2][1].data.code == '200'){
						this.songComment = res[2][1].data.hotComments;
						// console.log(songComment)
					}
					if( res[3][1].data.code == '200'){
						let lyric = res[3][1].data.lrc.lyric;
						// console.log(lyric);
						let re = /\[([^\]]+)\]([^\[]+)/g;
						// console.log(lyric.match(re));
						var result = [];
						lyric.replace(re, ($0,$1,$2) =>{
							result.push({"time": this.formatTimeToSec($1), "lyric": $2})
						});
						// console.log(result);
						this.songLyric = result;
					}
					if(res[4][1].data.code == '200' ){
						
						//条件编译
						// #ifdef MP-WEIXIN
						this.bgAudioManager = uni.getBackgroundAudioManager();
						this.bgAudioManager.title = this.songDetail.name;
						// #endif
						
						// #ifdef H5
						//解决对象重复播放问题
						if(!this.bgAudioManager){
							this.bgAudioManager = uni.createInnerAudioContext();
						}
						
						this.iconPlay = 'icon-play-circle';
						this.isPlayRotate = false;
						
						// #endif
					
						
						this.bgAudioManager.src = res[4][1].data.data[0].url || '';
						clearInterval(this.timer);
						this.bgAudioManager.onPlay( ()=>{
							this.listenLyricIndex();
							this.iconPlay = 'icon-zanting';
							this.isPlayRotate = true;
							
						});
						this.bgAudioManager.onPause( ()=>{
							this.iconPlay = 'icon-play-circle';
							this.isPlayRotate = false;
							this.cancelLyricIndex();
						});
						this.bgAudioManager.onEnded(()=>{
							this.getMUsic(this.$store.state.nextId);
							
						})
						
					}
					this.isLoading = false;
					uni.hideLoading();
				})
			}, 
			formatTimeToSec(value){
				let arr = value.split(':');
				return (Number(arr[0]*60) + Number(arr[1])).toFixed(1);
			},
		
			handleToPlay(){
				if( this.bgAudioManager.paused ){
					this.bgAudioManager.play();
				}
				else{
					this.bgAudioManager.pause();
				}
			},
			listenLyricIndex(){
				clearInterval(this.timer);
				this.timer = setInterval( ()=>{
					for(var i=0; i< this.songLyric.length; i++){
						if( this.bgAudioManager.currentTime >= this.songLyric[this.songLyric.length-1].time){
							this.lyricIndex = this.songLyric.length-1;
							
							break;
						}
						if( this.bgAudioManager.currentTime >= this.songLyric[i].time && this.bgAudioManager.currentTime <= this.songLyric[i+1].time){
							this.lyricIndex = i;
						}
						// console.log(this.lyricIndex);
						
					}
				},200);
			},
			cancelLyricIndex(){
				clearInterval(this.timer);
			},
			handleToSimi(songId){
				this.getMUsic(songId)
			}
		}
	}
</script>

<style scoped>
	.detail-play {
		width: 580rpx;
		height: 580rpx;
		background: url(~@/static/disc.png);
		background-size: cover;
		margin: 214rpx auto 0 auto;
		position: relative;

	}

	.detail-play image {
		width: 370rpx;
		height: 370rpx;
		border-radius: 50%;
		position: absolute;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
		margin: auto;
		animation: 10s linear move infinite;
		animation-play-state: paused;
		
	}
	.detail-play .detail-play-run{
		animation-play-state: running;
	}
	@keyframes move{
		from{ transform: rotate(0deg);}
		to{ transform: rotate(360deg);}
	}

	.detail-play text {
		font-size: 100rpx;
		color: white;
		position: absolute;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
		margin: auto;
		width: 100rpx;
		height: 100rpx;
	}

	.detail-play view {
		width: 230rpx;
		height: 360rpx;
		background: url(~@/static/needle.png);
		position: absolute;
		left: 100rpx;
		right: 0;
		top: -200rpx;
		margin: auto;
		background-size: cover;

	}

	.detail-lyric {
		font-size: 32rpx;
		line-height: 82rpx;
		height: 246rpx;
		text-align: center;
		overflow: hidden;
		color: #6f6e73;
	}

	.detail-lyric-wrap {
		transition: .5s;
	}

	.detail-lyric-item {
		height: 82rpx;
	}

	.detail-lyric-item.active {
		color: white;
	}

	.detail-like {
		margin: 0 30rpx;
	}

	.detail-like-head {
		font-size: 36rpx;
		color: white;
		margin: 50rpx 0;
	}

	.detail-like-item {
		display: flex;
		align-items: center;
		margin-bottom: 28rpx;
	}

	.detail-like-item text {
		font-size: 50rpx;
		color: #C6C2BF;
	}

	.detail-like-img {
		width: 82rpx;
		height: 82rpx;
		border-radius: 20rpx;
		overflow: hidden;
		margin-right: 20rpx;
	}

	.detail-like-img image {
		width: 100%;
		height: 100%;
	}

	.detail-like-song {
		flex: 1;
		color: #c6c2bf;
	}

	.detail-like-song view:nth-child(1) {
		font-size: 28rpx;
		color: white;
		margin-bottom: 12rpx;
	}

	.detail-like-song view:nth-child(2) {
		font-size: 22rpx;

	}

	.detail-like-song image {
		width: 26rpx;
		height: 20rpx;
		margin-right: 10rpx;
	}

	.detail-comment {
		margin: 0 30rpx;
	}

	.detail-comment-head {
		font-size: 36rpx;
		color: white;
		margin: 50rpx 0;
	}

	.detail-comment-item {
		margin-bottom: 28rpx;
		display: flex;
	}

	.detail-comment-img {
		width: 64rpx;
		height: 64rpx;
		border-radius: 50%;
		overflow: hidden;
		margin-right: 18rpx;
	}

	.detail-comment-img image {
		width: 100%;
		height: 100%;
	}

	.detail-comment-content {
		flex: 1;
		color: #cbcacf;
	}

	.detail-comment-title {
		display: flex;
		justify-content: space-between;
	}

	.detail-comment-name {}

	.detail-comment-name view:nth-child(1) {
		font-size: 26rpx;
	}

	.detail-comment-name view:nth-child(2) {
		font-size: 20rpx;
	}

	.detail-comment-like {
		font-size: 28rpx;
	}

	.detail-comment-text {
		font-size: 28rpx;
		line-height: 40rpx;
		color: white;
		margin-top: 20rpx;
		border-bottom: 1px #e0e0e0 solid;
		padding-bottom: 40rpx;
	}
</style>
